Risks Assessment Expending AHP-GA Method: A Novel …
factors in coal mining. Coal Mine Safety assessment is not in favor of the authority at BCM yet. Many hiding factors are still unknown for lacking safeguard maintenance without a good working environment. It is required to look into the possibility of safety evaluation for the coal mine [24]. Approaching different methods and application is the ...
Mining-induced fault reactivation associated with the …
The geology and stratigraphy of the Gondwana Barapukuria coal deposit was illustrated in detail by Islam and Hayashi (2008), Islam et al. (2009), and Islam and Shinjo (2009).Based on the age and lithology, the stratigraphic sequence (Fig. 3 a) of the Barapukuria coal deposit is divided into four formations and an igneous dike as …
sbm/sbm mining method applied in barapukuria coal mine…
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Longwall Top Coal Caving Method for Barapukuria …
TABLE 6. VALUES OF VERTICAL STRESS FOR STAGE II AND III EXCAVATION. At present in Barapukuria Coal Mine, seam VI has been excavated in two stages, stage I with Longwall method, where, 3m of coal is kept as top coal of 2.8m's excavation. In stage II, 3 m coal is exca-vated with LTCC method with 3 m top coal.
Open Pit Slope Design of Barapukuria Coal Mine Using …
basin is expected to be a potential zone for exploitation of coal by open pit mining method. This study proposes an adequate ... slope design of open pit coal mine at Barapukuria coal basin ...
Soil Contamination Assessment by Trace Elements in Barapukuria Coal
The Barapukuria coal mining area, which lies between latitudes 25031´ to 25 ° 35´ N and longitudes 88 ° 57´ E to 88 ° 59´ E, is located close to the Barapukuria village of
A time function-based prediction model of mining …
Coal mining may lead to ground subsidence in a long term and is widely distributed, which can cause environmental damage and other disasters. Predicting the dynamic process of ground subsidence in real time is very important for offering theoretical or technical guidance to deal with the consequences of mining. In this study, we …
(PDF) Mining-induced fault reactivation associated with …
Longwall mining panels in Barapukuria Coal Mine, Bangladesh (after Barapukuira Coal Mining Co. Ltd, 1998; Islam and Shinjo, 2009). 117 M.R. Islam, R. Shinjo / International Journal of Coal Geology ...
Mining-induced fault reactivation associated with the
Longwall mining panels in Barapukuria Coal Mine, Bangladesh (after Barapukuira Coal Mining Co. Ltd, 1998; Islam and Shinjo, 2009). M.R. Islam, R. Shinjo / International Journal of Coal Geology 79 ...
Heavy metal pollution status and health risk assessment vicinity …
A coal-fired power plant was started in 2006 which is fed by the coal from the adjacent Barapukuria Coal Mine [40]. A busy urban area has been developed surrounding the mining and power plant area ...
Environmental impacts of subsidence around the Barapukuria Coal Mining
Barapukuria coal mine is the biggest coal mine in Bangladesh discovered in 1985. It has lease area around 10.53 square km with the total reserve of 390 million tons.
Coal mining impacts on water environs around the Barapukuria coal
Barapukuria Coal Mining Company Limited (BCMCL) is the first developed coal mine in Bangladesh, which lies between the latitudes 23°31′45′′and 23°33′05′′N and the longitudes 88°57′48′′ and 88°58′53′′E (Fig. 1).Primarily in 1985, the Geological Survey of Bangladesh (GSB) reported about existence of the Gondwana coal at shallower depth …
Preferred Mining Method in Barapukuria Coal …
Longwall Top Coal Caving (LTCC) method would be a preferred mining method in Barapukuria Coal Mine by considering those factors, which will increase recovery rates …
Mobility and impact of trace metals in Barapukuria …
The Barapukuria underground coal mine operated by Barapukuria Coal Mining Co. Ltd. (BCMCL) requires continuous pumping and discharge of 1,500 m 3 of …
Environmental impacts of subsidence around the …
In the case of Barapukuria Coal Mine, the fully mechanized multi-sliced longwall pillar-less mining method has been employed for extracting coal from mine and …
(PDF) Risks Assessment Expending AHP-GA Method: A …
Perhaps in Bangladesh, future working environments will be insecure for the lack of congenial methodology to reduce risk factors of Barapukuria Coal Mine (BCM).
Coal mining impacts on water environs around the …
67 Citations. Explore all metrics. Abstract. The present research makes an effort towards awareness of the impact of underground coal mining on water …
Barapukuria Coal Mine
The U.S. Geological Survey reports that "the coal mine had a production capacity of 1 Mt/yr of coal. Coal extraction was by long-wall mining. The coal was delivered to a thermal power plant. Development work of the next long-wall coal face was underway, and production was expected to begin in 2007," the USGS reports.
Water inrush Hazard in Barapukuria Coal Mine, Dinajpur District
Barapukuria coal mine (BCM) is located at Dinajpur district, NW Bangladesh. ... applied mining method, presence of multi-coal seams, ultra thicken coal seam and so on are the major factors in ...
Coal Mine Accidents in Bangladesh: Its Causes and
Barapukuria coal mine (BCM) is located at Dinajpur district, NW Bangladesh. ... Considering the geological, hydrological and other technical parameters, longwall mining method is applied for ...
Prediction of mining-induced subsidence at Barapukuria longwall coal
The maximum observed subsidence having a noticeable areal extent due to Northern Upper Panels (NUP) and Southern Lower Panels (SLP) at the Barapukuria longwall coal mine is 5.8 m and 4.2 m, respectively, after the extraction of a 10 m thick coal seam. The mining-induced subsidence was simulated by the Displacement Discontinuity …
The selection of backfill materials for Barapukuria underground coal
Based on the land morphology, physical structures of mine design, applied mining method, and geo-structural setting of BCMC with available filling materials, it is obvious that among the all other types of backfill, hydraulic backfill is more suitable. With respect to Barapukuria coal mine, alluvial sands are more available than mill tailings.
(PDF) Preferred Mining Method in Barapukuria Coal …
Longwall Top Coal Caving (LTCC) method would be a preferred mining method in Barapukuria Coal Mine by considering …
Improved underground mine design for …
Long-wall top coal caving mining method will be applied for coal production and face-1210 will be developed in BCM. It is estimated that nearly 0.75 m ground subsidence may occur for mining of 1 ...
Preferred Mining Method in Barapukuria Coal Mine
Longwall Top Coal Caving (LTCC) method would be a preferred mining method in Barapukuria Coal Mine by considering those factors, which will increase recovery rates to up to 75% which will ...
A time function-based prediction model of mining …
A time function-based prediction model of mining subsidence: application to the Barapukuria coal mine, Bangla. Xingsheng Zhang, Shaobin Yan, Haicheng Tan …
(PDF) Open Pit Slope Design of Barapukuria Coal Mine …
The Barapukuria coal basin is expected to be a potential zone for exploitation of coal by open pit mining method. This study proposes an adequate slope design of open pit coal mine at Barapukuria coal basin. Failure of slope is common phenomenon in …
Integrated satellite imagery and electrical resistivity
This study addresses the critical issue of land subsidence in densely populated agriculture-based country, Bangladesh, focusing on the Barapukuria coal mine area. Our research employed time-series analysis of Landsat satellite imagery from 2005 to 2020, coupled with vertical electrical sounding resistivity methods. Through the false …
The selection of backfill materials for Barapukuria underground coal
The type, intensity and related environmental impacts of mine subsidence usually depend on the applied mining method, size of the operation, depth and dip of the coal seam, existed geologic ...
Finite element modeling of stress distributions and
The overall structures of the faults of Barapukuria coal mine are small (1-3 m fault plane) and medium (3-15 m fault plane) normal faults, where the compressive deformation is not prominent along ...
